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msvcrt: Return child exit code in _pclose function. 

Based on a patch by Borut Ražem.
This commit is contained in:
Piotr Caban 2013-01-18 11:03:51 +01:00 committed by Alexandre Julliard
parent 7f4e1c65b1
commit a968a1ad6d
3 changed files with 72 additions and 2 deletions
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1
dlls/msvcrt/main.c
View File

@ -118,6 +118,7 @@ BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
case DLL_THREAD_ATTACH:
break;
case DLL_PROCESS_DETACH:
msvcrt_free_popen_data();
msvcrt_free_io();
msvcrt_free_mt_locks();
msvcrt_free_console();

1
dlls/msvcrt/msvcrt.h
View File

@ -269,6 +269,7 @@ extern void msvcrt_init_args(void) DECLSPEC_HIDDEN;
extern void msvcrt_free_args(void) DECLSPEC_HIDDEN;
extern void msvcrt_init_signals(void) DECLSPEC_HIDDEN;
extern void msvcrt_free_signals(void) DECLSPEC_HIDDEN;
extern void msvcrt_free_popen_data(void) DECLSPEC_HIDDEN;
extern unsigned msvcrt_create_io_inherit_block(WORD*, BYTE**) DECLSPEC_HIDDEN;

72
dlls/msvcrt/process.c
View File

@ -31,6 +31,7 @@
#include <stdarg.h>
#include "msvcrt.h"
#include "mtdll.h"
#include "wine/debug.h"
#include "wine/unicode.h"
@ -1022,6 +1023,17 @@ MSVCRT_intptr_t CDECL _wspawnvp(int flags, const MSVCRT_wchar_t* name, const MSV
return MSVCRT__wspawnvpe(flags, name, argv, NULL);
}
static struct popen_handle {
MSVCRT_FILE *f;
HANDLE proc;
} *popen_handles;
static DWORD popen_handles_size;
void msvcrt_free_popen_data(void)
{
MSVCRT_free(popen_handles);
}
/*********************************************************************
* _wpopen (MSVCRT.@)
*
@ -1036,6 +1048,8 @@ MSVCRT_FILE* CDECL MSVCRT__wpopen(const MSVCRT_wchar_t* command, const MSVCRT_wc
MSVCRT_wchar_t *comspec, *fullcmd;
unsigned int len;
static const MSVCRT_wchar_t flag[] = {' ','/','c',' ',0};
struct popen_handle *container;
DWORD i;
TRACE("(command=%s, mode=%s)\n", debugstr_w(command), debugstr_w(mode));
@ -1069,6 +1083,25 @@ MSVCRT_FILE* CDECL MSVCRT__wpopen(const MSVCRT_wchar_t* command, const MSVCRT_wc
fdToDup = readPipe ? 1 : 0;
fdToOpen = readPipe ? 0 : 1;
_mlock(_POPEN_LOCK);
for(i=0; i<popen_handles_size; i++)
{
if (!popen_handles[i].f)
break;
}
if (i==popen_handles_size)
{
i = (popen_handles_size ? popen_handles_size*2 : 8);
container = MSVCRT_realloc(popen_handles, i*sizeof(*container));
if (!container) goto error;
popen_handles = container;
container = popen_handles+popen_handles_size;
memset(container, 0, (i-popen_handles_size)*sizeof(*container));
popen_handles_size = i;
}
else container = popen_handles+i;
if ((fdStdHandle = MSVCRT__dup(fdToDup)) == -1)
goto error;
if (MSVCRT__dup2(fds[fdToDup], fdToDup) != 0)
@ -1089,7 +1122,8 @@ MSVCRT_FILE* CDECL MSVCRT__wpopen(const MSVCRT_wchar_t* command, const MSVCRT_wc
strcatW(fullcmd, flag);
strcatW(fullcmd, command);
if (msvcrt_spawn(MSVCRT__P_NOWAIT, comspec, fullcmd, NULL, 1) == -1)
if ((container->proc = (HANDLE)msvcrt_spawn(MSVCRT__P_NOWAIT, comspec, fullcmd, NULL, 1))
== INVALID_HANDLE_VALUE)
{
MSVCRT__close(fds[fdToOpen]);
ret = NULL;
@ -1099,7 +1133,9 @@ MSVCRT_FILE* CDECL MSVCRT__wpopen(const MSVCRT_wchar_t* command, const MSVCRT_wc
ret = MSVCRT__wfdopen(fds[fdToOpen], mode);
if (!ret)
MSVCRT__close(fds[fdToOpen]);
container->f = ret;
}
_munlock(_POPEN_LOCK);
HeapFree(GetProcessHeap(), 0, comspec);
HeapFree(GetProcessHeap(), 0, fullcmd);
MSVCRT__dup2(fdStdHandle, fdToDup);
@ -1107,6 +1143,7 @@ MSVCRT_FILE* CDECL MSVCRT__wpopen(const MSVCRT_wchar_t* command, const MSVCRT_wc
return ret;
error:
_munlock(_POPEN_LOCK);
if (fdStdHandle != -1) MSVCRT__close(fdStdHandle);
MSVCRT__close(fds[0]);
MSVCRT__close(fds[1]);
@ -1145,7 +1182,38 @@ MSVCRT_FILE* CDECL MSVCRT__popen(const char* command, const char* mode)
*/
int CDECL MSVCRT__pclose(MSVCRT_FILE* file)
{
return MSVCRT_fclose(file);
HANDLE h;
DWORD i;
if (!MSVCRT_CHECK_PMT(file != NULL)) return -1;
_mlock(_POPEN_LOCK);
for(i=0; i<popen_handles_size; i++)
{
if (popen_handles[i].f == file)
break;
}
if(i == popen_handles_size)
{
_munlock(_POPEN_LOCK);
*MSVCRT__errno() = MSVCRT_EBADF;
return -1;
}
h = popen_handles[i].proc;
popen_handles[i].f = NULL;
_munlock(_POPEN_LOCK);
MSVCRT_fclose(file);
if(WaitForSingleObject(h, INFINITE)==WAIT_FAILED || !GetExitCodeProcess(h, &i))
{
msvcrt_set_errno(GetLastError());
CloseHandle(h);
return -1;
}
CloseHandle(h);
return i;
}
/*********************************************************************